4th Grade Science Activities : Page 11

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea examines whether boys and girls differ in reflexes.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

An home science experiment for older students that teaches about the science behind heat.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Find out whether putting something on top of a plant will inhibit its growth.